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Ordinea efectuari operațiilor. 91-47:2+36:6-5+8×6
17+36:9+8×5-4+3+7


Răspuns :

91-47:2+36:6-5+8×6 =
91-23,5+6-5+48 =
67,5+6-5+48 =
73,5-5+48=
68,5+48=
20,5

17+36:9+8×5-4+3+7=
17+4+40-4+3+7=
21+40-4+3+7=
61-4+3+7=
57+3+7=
60+7=
67
91-23,5+6-5+48=
67,5-1+48=
66,5+48=114,5

17+4+40-4+10=
21+36+10=
57+10=67